Base | Representation |
---|---|
bin | 1001100101100… |
… | …11010100000101 |
3 | 12121100002001211 |
4 | 10302303110011 |
5 | 131042114440 |
6 | 11551451421 |
7 | 1664416564 |
oct | 462632405 |
9 | 177302054 |
10 | 80426245 |
11 | 41442479 |
12 | 22b26b71 |
13 | 1387c3c3 |
14 | a977bdb |
15 | 70d9eea |
hex | 4cb3505 |
80426245 has 16 divisors (see below), whose sum is σ = 99952128. Its totient is φ = 62061120.
The previous prime is 80426231. The next prime is 80426257. The reversal of 80426245 is 54262408.
It is not a de Polignac number, because 80426245 - 213 = 80418053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60882 + ... + 62188.
It is an arithmetic number, because the mean of its divisors is an integer number (6247008).
Almost surely, 280426245 is an apocalyptic number.
It is an amenable number.
80426245 is a deficient number, since it is larger than the sum of its proper divisors (19525883).
80426245 is a wasteful number, since it uses less digits than its factorization.
80426245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1740.
The product of its (nonzero) digits is 15360, while the sum is 31.
The square root of 80426245 is about 8968.0680751208. The cubic root of 80426245 is about 431.6508470688.
The spelling of 80426245 in words is "eighty million, four hundred twenty-six thousand, two hundred forty-five".
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